#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	char arr1[] = "a,b,c";
	char arr2[] = "e,f,g";
	int sz = sizeof(arr1) / sizeof(arr1[0]);
	int i = 0;
	for (i = 0; i < sz; i++)
	{
		int b = 0;
		b = arr1[i];
		arr1[i] = arr2[i];
		arr2[i] = b;
	}
	printf("%s\n",arr1);
	printf("%s\n",arr2);
	return 0;
}